The function allows the user by entering a 5-digit number to receive a call from any concrete company’s telephone. There are no definite groups for picking up the call. One can pick up the call from any telephone set; it is only necessary to enter the required code and the extension number of the phone, which has to be picked up.
IGW rout Bangla tac, Novotel, Mirtelecom,BTCL good rout qulity ACD 8+ ASR 70% a2z rout low price india, pakistan and bangladesh white rout mail id-farhad_bsc@yahoo.com